Van top



FIG. 1 is a perspective view of the van top showing our new design, shown attached to a van which is shown in dotted lines for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, with the right side being substantially a mirror image; and F

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a van top, as shown and described. 